Picture of the Day: Thebes Gap

Just south of Cape Girardeau (Missouri), the Mississippi River cuts a seven-mile gorge through the thick limestone of the Shawneetown Ridge. The gorge, known as the Thebes Gap or the Grand Chain, is as narrow as 3,000 feet in places and was notoriously difficult to navigate, at least until the Army Corps of Engineers began blasting

By |2016-10-21T15:28:44-05:00October 24th, 2012|Photo of the Day|2 Comments
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